linux-kernel - [PATCH v2] arm64: dts: rockchip: orangepi-5: fix PCIe 3.3V regulator voltage

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Message-ID: <9232ae8cc8e7eb4f986734c8820f44b7989b9dae.1762161839.git.xakep.amatop@gmail.com>
Date: Mon,  3 Nov 2025 12:08:14 +0200
From: Mykola Kvach <xakep.amatop@...il.com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Michael Riesch <michael.riesch@...labora.com>,
	Johan Jonker <jbx6244@...il.com>,
	Muhammed Efe Cetin <efectn@...l.net>,
	Ondřej Jirman <megi@....cz>,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc: stable@...r.kernel.org
Subject: [PATCH v2] arm64: dts: rockchip: orangepi-5: fix PCIe 3.3V regulator voltage

The vcc3v3_pcie20 fixed regulator powers the PCIe device-side 3.3V rail
for pcie2x1l2 via vpcie3v3-supply. The DTS mistakenly set its
regulator-min/max-microvolt to 1800000 (1.8 V). Correct both to 3300000
(3.3 V) to match the rail name, the PCIe/M.2 power requirement, and the
actual hardware wiring on Orange Pi 5.

Fixes: b6bc755d806e ("arm64: dts: rockchip: Add Orange Pi 5")
Signed-off-by: Mykola Kvach <xakep.amatop@...il.com>
Reviewed-by: Michael Riesch <michael.riesch@...labora.com>
---
Changes in v2:
- add Fixes tag and Cc stable list as requested during review.
---
 arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5.dts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5.dts b/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5.dts
index ad6d04793b0a..83b9b6645a1e 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5.dts
@@ -14,8 +14,8 @@ vcc3v3_pcie20: regulator-vcc3v3-pcie20 {
 		gpios = <&gpio0 RK_PC5 GPIO_ACTIVE_HIGH>;
 		regulator-name = "vcc3v3_pcie20";
 		regulator-boot-on;
-		regulator-min-microvolt = <1800000>;
-		regulator-max-microvolt = <1800000>;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
 		startup-delay-us = <50000>;
 		vin-supply = <&vcc5v0_sys>;
 	};
--
2.43.0